Jo had known she wasn't going to get a long, detailed answer in response to that question, even if she knew Dean probably had a lot to say. Through her various hunting-related travels, she managed to pick up on a few stories and rumors about the Winchester brothers, and most recently, there had been mention of Lucifer.
"How does hunting treat any hunter?" she asked with a smirk that wasn't entirely heartfelt. "Always gotta kick something's ass, you know? And something's always trying to kick yours."